Add portal submodule

Author: Techassi

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "external/src/vulcan"]
 	path = external/src/vulcan
 	url = git@github.com:vulcan-rs/vulcan.git
+[submodule "external/src/portal"]
+	path = external/src/portal
+	url = https://github.com/portal-rs/portal

external/Config.in

@@ -1 +1,2 @@
-source "$BR2_EXTERNAL_VULCAN_PATH/package/vulcan/Config.in"
+source "$BR2_EXTERNAL_VULCAN_PATH/package/vulcan/Config.in"
+source "$BR2_EXTERNAL_VULCAN_PATH/package/portal/Config.in"

external/package/portal/Config.in

@@ -0,0 +1,8 @@
+config BR2_PACKAGE_PORTAL
+	bool "vulcan"
+	depends on BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS
+	select BR2_PACKAGE_HOST_RUSTC
+	help
+	  Portal is a DNS server written in pure Rust.
+
+	  https://github.com/portal-rs/portal

external/package/portal/portal.mk

@@ -0,0 +1,35 @@
+################################################################################
+#
+# portal
+#
+################################################################################
+
+PORTAL_VERSION = 0.0.1
+PORTAL_SITE = $(BR2_EXTERNAL_VULCAN_PATH)/src/vulcan
+PORTAL_SITE_METHOD = local
+PORTAL_LICENSE = GPL-3.0+
+PORTAL_LICENSE_FILES = LICENSE
+
+PORTAL_CARGO_MODE = release
+PORTAL_BIN_DIR = target/$(RUSTC_TARGET_NAME)/$(PORTAL_CARGO_MODE)
+
+define VULCAN_BUILD_CMDS
+	cd $(@D) && \
+	$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(PKG_CARGO_ENV) $(PORTAL_CARGO_ENVIRONMENT) cargo build \
+		--workspace \
+		--$(PORTAL_CARGO_MODE) \
+		--target $(RUSTC_TARGET_NAME) \
+		-Z target-applies-to-host
+endef
+
+define PORTAL_INSTALL_TARGET_CMDS
+	$(INSTALL) -m 0755 $(@D)/$(VULCAN_BIN_DIR)/portald $(TARGET_DIR)/usr/bin/portald
+	$(INSTALL) -m 0755 $(@D)/$(VULCAN_BIN_DIR)/gun $(TARGET_DIR)/usr/bin/gun
+endef
+
+define VULCAN_INSTALL_INIT_SYSTEMD
+	$(INSTALL) -D -m 644 $(BR2_EXTERNAL_VULCAN_PATH)/package/portal/portald.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/portald.service
+endef
+
+$(eval $(cargo-package))

external/package/portal/portald.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Portal DNS server
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/portald
+Restart=always
+
+[Install]
+WantedBy=multi-user.target